3.9 sec in total
796 ms
2.9 sec
231 ms
Visit j1fm.com now to see the best up-to-date J1 Fm content for United States and also check out these interesting facts you probably never knew about j1fm.com
J1 Loves Japan
Visit j1fm.comWe analyzed J1fm.com page load time and found that the first response time was 796 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
j1fm.com performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value18.6 s
0/100
25%
Value6.4 s
40/100
10%
Value100 ms
98/100
30%
Value0.733
7/100
15%
Value7.3 s
50/100
10%
796 ms
913 ms
20 ms
22 ms
23 ms
Our browser made a total of 126 requests to load all elements on the main page. We found that 17% of them (22 requests) were addressed to the original J1fm.com, 28% (35 requests) were made to En.j1fm.tokyo and 10% (12 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (913 ms) relates to the external source En.j1fm.tokyo.
Page size can be reduced by 259.5 kB (39%)
674.0 kB
414.5 kB
In fact, the total size of J1fm.com main page is 674.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 450.7 kB which makes up the majority of the site volume.
Potential reduce by 50.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 50.8 kB or 80% of the original size.
Potential reduce by 105.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, J1 Fm needs image optimization as it can save up to 105.3 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 49.8 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 49.8 kB or 52% of the original size.
Potential reduce by 53.6 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. J1fm.com needs all CSS files to be minified and compressed as it can save up to 53.6 kB or 83% of the original size.
Number of requests can be reduced by 61 (53%)
115
54
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J1 Fm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.
j1fm.com
796 ms
en.j1fm.tokyo
913 ms
41207fb36c7f2ed5bec69de30fb9194f.css
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tabs.css
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messages.css
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block-editing.css
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wireframes.css
35 ms
layout.css
36 ms
en_j1fm_com.css
44 ms
sidebars.css
39 ms
jquery.js
51 ms
drupal.js
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external.js
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panels.js
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menub.css
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onair.css
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jsapi
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converter.php
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counter_xhtml.js
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ca-pub-3617106142768822.js
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j1fm.com accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
j1fm.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
j1fm.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J1fm.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that J1fm.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
j1fm.com
Open Graph description is not detected on the main page of J1 Fm. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: